Finding the Fourth Proportional to 2,721.31, 3,755.41 and 1,479.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,721.31 : 3,755.41 = 1,479.31 : x
2. Step 2: Convert to fraction form
   2,721.31/3,755.41 = 1,479.31/x
3. Step 3: Cross multiply
   2,721.31x = 3,755.41 × 1,479.31
4. Step 4: Simplify right side
   2,721.31x = 5,555,415.57
5. Step 5: Solve for x
   x = 5,555,415.57/2,721.31
6. Step 6: Final answer
   x = 2,041.45